If the room is at a higher temperature than the thermostat is set to then the central heating won’t come on. We have not got up to check the other rads or the timer but the bedroom one does come on. Hassle Free Boilers prides themselves in offering UK households different types, and models of Worcester Bosch controls. Our troubleshooting tool is designed to help you identify an issue with you boiler. The boiler is switching itself off due to in-built safety mechanisms – if it did not shut down, then the boiler could overheat. There are many possible reasons why a boiler won’t ignite, leaving your home without central heating. It is weird. You can set the on and off times for every day of the week. The boiler isn't set to per heat the water it's set to off as we do not need pre heat we just demand the hot water. Common broken boiler problems (with free and easy fixes) There are a variety of reasons why your boiler may not be working; common examples include the boiler pressure being too low or too high, a power cut, gas supply issues, a faulty pilot light, a frozen condensate … Last night we got over it by setting the off temp to 10 degrees which worked. We recently moved in to a new house which has a Baxi boiler. You shouldn’t have to pay a penny for them to come out and fix your boiler. How do we check this? For some reason the boiler comes on on its own throughout the day/night and wastes gas. never ha d any issues,however the heating is coming on overnight roundabout 2-4 am, it is not cold enough to come on and has never been set to come on at these times ,when trying to get it off it takes ages but after an hour it kicks back on again, we have rechecked thermostat times and set degree lower but this keeps happenning, any ideas This can happen any time throughout the day and night, and you can hear the system kicking in. We will get up next time. Note that the overall cost will depend on the installer and boiler model you choose to buy. My Worcester boiler never locks even though the pressure gauge goes to almost zero when cool. If you have a Baxi boiler leaking, a Vaillant boiler leaking, Ideal boiler leaking or a Worcester Bosch boiler leaking from the bottom then if you have a warranty you are in luck. One day it started firing up at 3 o'clock in the morning. Every now and again it fires up unexpectedley for about 30 seconds and the gas green LED lights up - so obviosuly using gas. If I fill it to green when cool, that only last a day and then sinks slowly to red and happily starts up. Is this correct. So, you can set it to switch off at, say, 11 p.m. every night and come on at 7 a.m. every weekday (and 8 a.m. at weekends). The gauge just makes the green 1 bar every time it’s on. Worcester Bosch come highly recommended due to their extended warranties. There's an alternative of pressing an Eco button and leaving it on that setting which means it will stop regularly turning itself on but will take longer to get hot when you run a tap. It seems to lose no more pressure when in red. By answering some simple questions we hope to be able to help you diagnose the problem and provide you with the solution and advice you need to get your system back to normal. My Combi boiler is like PigletJohn describes, so it sometimes turns itself on so there is always instant hot water. Thermostat setting. We currently have a pay as you go gas card and it s not paid direct debit. It was on 10am this morning for some reason and was on again 3pm. I was told this is a form of self maintenance check it does? If the boiler keeps shutting off, it could be due to closed valves, air caught in the system or a broken pump. All modern boilers come with a timer on them, usually on a separate panel that’s wired up to the boiler itself. If there is air in the system, then … Just a quick one, we have a Worcester Bosch Greenstar 27CDi combi condensing boiler. Can anyone tell me why my central heating comes on by itself: the radiators get hot and stay hot for around 1-3 minutes then the system turns back off again. Fortunately, there are a few simple checks you can make that could get your boiler firing up again in no time. my worchester bosch greenstar is 5 years old. 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